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| author | Dominik Vogt <vogt@linux.vnet.ibm.com> | 2015-12-15 14:09:14 +0100 |
|---|---|---|
| committer | Andreas Arnez <arnez@linux.vnet.ibm.com> | 2015-12-15 14:09:14 +0100 |
| commit | 1d19cae752a7b032b8253feb4fa3b9f1dc162823 (patch) | |
| tree | fcd5b5f015c8f9dc4e541049369e89e52ab6c8ba /sim/avr | |
| parent | 08832196accd270fa053e8125c21e7a54ab19fe0 (diff) | |
| download | gdb-1d19cae752a7b032b8253feb4fa3b9f1dc162823.zip gdb-1d19cae752a7b032b8253feb4fa3b9f1dc162823.tar.gz gdb-1d19cae752a7b032b8253feb4fa3b9f1dc162823.tar.bz2 | |
Fix invalid left shift of negative value
Fix occurrences of left-shifting negative constants in C code.
sim/arm/ChangeLog:
* thumbemu.c (handle_T2_insn): Fix left shift of negative value.
* armemu.c (handle_v6_insn): Likewise.
sim/avr/ChangeLog:
* interp.c (sign_ext): Fix left shift of negative value.
sim/mips/ChangeLog:
* micromips.igen (process_isa_mode): Fix left shift of negative
value.
sim/msp430/ChangeLog:
* msp430-sim.c (get_op, put_op): Fix left shift of negative value.
sim/v850/ChangeLog:
* simops.c (v850_bins): Fix left shift of negative value.
Diffstat (limited to 'sim/avr')
| -rw-r--r-- | sim/avr/ChangeLog | 4 | ||||
| -rw-r--r-- | sim/avr/interp.c | 2 |
2 files changed, 5 insertions, 1 deletions
diff --git a/sim/avr/ChangeLog b/sim/avr/ChangeLog index e72bcf4..6bc7b7d 100644 --- a/sim/avr/ChangeLog +++ b/sim/avr/ChangeLog @@ -1,3 +1,7 @@ +2015-12-15 Dominik Vogt <vogt@linux.vnet.ibm.com> + + * interp.c (sign_ext): Fix left shift of negative value. + 2015-11-21 Mike Frysinger <vapier@gentoo.org> * interp.c (pc, cycles, avr_pc22): Delete. diff --git a/sim/avr/interp.c b/sim/avr/interp.c index ca50474..7ea56fa 100644 --- a/sim/avr/interp.c +++ b/sim/avr/interp.c @@ -222,7 +222,7 @@ static byte sram[MAX_AVR_SRAM]; static int sign_ext (word val, int nb_bits) { if (val & (1 << (nb_bits - 1))) - return val | (-1 << nb_bits); + return val | -(1 << nb_bits); return val; } |